A Mould for Forming a Unitary Article From Pulp
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United States of America Patent
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Issued Date -
Oct 26, 2023
app pub date -
Nov 4, 2021
filing date -
Nov 4, 2020
priority date (Note) -
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Abstract
A mould (14) for forming an article from a fibre suspension. The mould includes an insert with a cavity (27) in the negative shape of an article to be formed and two regions of different porosity/permeability (28, 29) about the cavity (27). In use the mould communicates a suspending fluid of the fibre suspension, e.g. by vacuum pump, through the at least two regions of different porosity/permeability about the cavity. A formed shape (22) of fibres is left behind on the cavity.
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